Home / 18,039,546.12-27,056,438.70-5,257,060.86

Finding the Fourth Proportional to 18,039,546.12, 27,056,438.70 and 5,257,060.86

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Solution

The fourth proportional to 18,039,546.12, 27,056,438.70 and 5,257,060.86 is: 7,884,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039,546.12 : 27,056,438.70 = 5,257,060.86 : x
  2. Step 2: Convert to fraction form
    18,039,546.12/27,056,438.70 = 5,257,060.86/x
  3. Step 3: Cross multiply
    18,039,546.12x = 27,056,438.70 × 5,257,060.86
  4. Step 4: Simplify right side
    18,039,546.12x = 142,237,344,900,759.28
  5. Step 5: Solve for x
    x = 142,237,344,900,759.28/18,039,546.12
  6. Step 6: Final answer
    x = 7,884,751.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.